# 1 May Day
# 5 Cinco de Mayo
# 6 National Teacher's Day
# 9 MY BIRTHDAY LOL
# 8 Mother's Day
# 8 VE Day, WW II
# 13 Friday the 13th - the only one in 2011
# 17 Armed Forces Day
# 24 Victoria Day (Canada)
# 31 Memorial Day official date, celebrated date varies
Here is were I got my info http://www.holidayinsights.com/everyday.htm. To see more go there and check it out.